제출 #841027

#제출 시각아이디문제언어결과실행 시간메모리
841027jhwest2Longest Trip (IOI23_longesttrip)C++17
5 / 100
8 ms256 KiB
#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;

vector<int> longest_trip(int N, int D)
{
	if (D == 3) {
		vector<int> res(N);
		iota(res.begin(), res.end(), 0);
		return res;
	}
	if (D == 2) {
		deque<int> dq = {0};
		for (int i = 1; i < N; i++) {
			if (are_connected({0}, {i})) {
				dq.push_back(i);
				break;
			}
		}
		for (int i = 2; i < N; i++) {
			if (are_connected({i}, {dq.back()}))
				dq.push_back(i);
			else
				dq.push_front(i);
		}
		return vector<int>(dq.begin(), dq.end());
	}
	return {0};
}
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